FURVERT!

2d_animation 4:5 ailure ailurid animal_genitalia animal_penis animated animated_gif anthro anus ball_bulge ball_inflation balls big_balls body_invasion canine_genitalia canine_penis cock_vore gastropod genitals huge_balls infestation infesticles inflation knot living_insertion loop male male_penetrated mammal mollusk nipples oddbird parasite penetration penile penis red_panda short_playtime slug solo spread_legs spreading tail urethra_worm urethral urethral_penetration vore